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Message-ID: <CACGkMEubWOFq8Bj1Kk02Om8DnbhFyNtAD_Lk8mXL4c2GSZgabA@mail.gmail.com>
Date: Tue, 23 Apr 2024 11:11:51 +0800
From: Jason Wang <jasowang@...hat.com>
To: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Cc: virtualization@...ts.linux.dev, "Michael S. Tsirkin" <mst@...hat.com>,
"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Subject: Re: [PATCH vhost v2 7/7] virtio_net: remove the misleading comment
On Mon, Apr 22, 2024 at 3:24 PM Xuan Zhuo <xuanzhuo@...ux.alibaba.com> wrote:
>
> We call the build_skb() actually without copying data.
> The comment is misleading. So remove it.
>
> Signed-off-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Acked-by: Jason Wang <jasowang@...hat.com>
Thanks
> ---
> drivers/net/virtio_net.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 848e93ccf2ef..ae15254a673b 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -690,7 +690,6 @@ static struct sk_buff *page_to_skb(struct virtnet_info *vi,
>
> shinfo_size = SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
>
> - /* copy small packet so we can reuse these pages */
> if (!NET_IP_ALIGN && len > GOOD_COPY_LEN && tailroom >= shinfo_size) {
> skb = virtnet_build_skb(buf, truesize, p - buf, len);
> if (unlikely(!skb))
> --
> 2.32.0.3.g01195cf9f
>
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